135400226 has 16 divisors (see below), whose sum is σ = 219038904. Its totient is φ = 62402304.

The previous prime is 135400207. The next prime is 135400229. The reversal of 135400226 is 622004531.

It can be written as a sum of positive squares in 4 ways, for example, as 59274601 + 76125625 = 7699^2 + 8725^2 .

It is not an unprimeable number, because it can be changed into a prime (135400229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16730 + ... + 23466.

Almost surely, 2^135400226 is an apocalyptic number.

135400226 is a deficient number, since it is larger than the sum of its proper divisors (83638678).

135400226 is a wasteful number, since it uses less digits than its factorization.

135400226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 135400226 is about 11636.1602773424. The cubic root of 135400226 is about 513.4992296588.

Adding to 135400226 its reverse (622004531), we get a palindrome (757404757).

The spelling of 135400226 in words is "one hundred thirty-five million, four hundred thousand, two hundred twenty-six".